Y-Tags 1-piece ear tag system for livestock identification feature the exclusive Surgi-Tipโข tag tip โ a unique four-sided tip design for a precise incision, faster healing, and improved retention. Calf tags have a printable area of 2 1/8โ x 1 1/2โ, and are available blank or pre-numbered, or they can be custom printed with any text, logos, or numbers using 100% PureLaserโข permanent imprinting.ย Y-Tags can be applied with the Y-Tags applicator or many other popular one-piece tag applicators.